diff --git a/db/migrate/20160309120350_generate_missed_thumbnails.rb b/db/migrate/20160309120350_generate_missed_thumbnails.rb
deleted file mode 100644
index 1beab30..0000000
--- a/db/migrate/20160309120350_generate_missed_thumbnails.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class GenerateMissedThumbnails < ActiveRecord::Migration
-  def up
-    UploadedFile.find_each {|f| f.create_thumbnails if f.thumbnails.empty? }
-  end
-end
--
libgit2 0.21.2